Diesel High Pressure Oil Pump. Dorman 502-558 Remanufactured High Pressure Oil Pump. Fits what vehicles: 1998 Ford E-350 Econoline, 1998-1999 Ford E-350 Econoline Club Wagon, 1998-1999 Ford Econoline Super Duty, 1999 Ford E-350 Super Duty, 1999 Ford E-450 Econoline Super Duty, 1999 Ford F-250 Super Duty, 1999 Ford F-350 Super Duty, 1999 Ford F-450 Super Duty, 1999 Ford F-550 Super Duty.